Apparatus for discriminating the sex of chickens of hens and cocks and the other birds or for inspecting the internal organs of any birds or animals



Sept. 30, 1952 T KlZAWA 2,612,157

APPARATUS FOR DISCRIMINATING THE SEX OF CHICKENS OF HENS AND COCKS AND THE OTHER BIRDS 0R FCR INSPECTING THE INTERNAL ORGANS OF' ANY BIRDS OR ANIMALS Filed April 2, 1951 NVENTOR. 26 TAM@ m 2,1 wf,

A TTORNEY.

Patented Sept. 30, 1952 on vANIMALS f n '.Takeo/ Kizawa, l'-lolryo-to, .'Japan,4 assignor .to

. :2,612,157 [APPARATUS FORDISCRIMINATING THE SEX r .0F cmcKENs oF HENs .AND cocKs AND .THE OTHERBIRDS OE FOR INSPECTING THE INTERNAL ORGANS or ANY Bums e a Icorporation of Japan.-

y f" Application April 2;*1951, SeriarNO."2181732 .In 'JapanDecember 4, 1950.

., Thepreserit rinvention relates .to a methodor anrapparatus ffo'r .discriminating Vthe sex of chickensbffhensandlcocks-and .the other birds or for inspecting the...internal l organs of any birdsor animas., s u. lI Hitherto, it is v.well known-at any poultry-farm obtainingeggs .to classify the female andmale rola-rms. (ci. 12s-3) directlyafter.incubation of the .eggs and to bring n1)mainlyl only .the `female.A But the vfemale and maleldiscrimination of the .chicken `is very dif-y cultso lthat such .discrimination has .been done usually' by. persons who were .educated speciallyionsever'al years atany training facilities `for discriminating ability and had mastered the .discriminating ability. kThere are, however', very few personsinone .country who can gain 10,0% result ofdifscrir`nination inspite ofl skillfulness infdiscrimination. e At `thefother hand, theusual methodjonsex discrimination of any .birds is socalled anus-discrimination, v.because the sexual organsof any .birds-aresituated in the abdominal cayity. This method is toinspect the thin warts at the' insidef of the anus after turning the anus upwardly,'because the wartforms are different in. accordance with `thehen or cock. There is, hoWever,' no'` clear 'difference in the wart-.forms of the hen and.' cock and there are rather many kindsof warteforms, and atsome time the'wartforms ofhcn are similarey with those of the cocks and alsdjthere aresome `differences individually inthe wart-tormslojthe .chickens of same sex, soQthatdiscrimination is very difficult.

v Furth'ermorejas iswell known, it is very dinicu'lt, asn: ism the hen and cock,- rp discriminate chicken-sex of any othenbirds, vfor example, yof the turkey. I l

The ,object of 4this'invention is to provide a method and an apparatus f which can discrimi-,j nateI simply and accurately not only the sex of hens and-cocks, but also `the Asex of any other inspect f,easi1y ,the internal Organs of vcattle,v

birdsf'and animals, ofv which sex-discrimination is diicult without givin'gan'y damage tothe internal organs and 7without"mastering khigh 4ability of"discrimnation and with '109% .exactness zF-urthermore, it is fthe yobject of this-"invention to:judgecorpulence-order of the ovary andv .to judg"previously=the ysuperiority and inferiorityof'Iegg-laying ability beside 'the sex-discrimination of..the chicken.-or:to judge healthiness'orunhealthiness of; the :internal organs by using the same method and apparatus. y

'.Andaa urtherobject of 4this invention is to provide a method or :apparatus which vcan not only.'di scriminate the chickenv sex but also can v2 horses,y and clogs 'and .falso can judge :fertilization or nonfertilization directlyafter cross-breedingtof the vsaid ganimals.

.The .method of 'this invention comprises A{princilzlallgy` inserting an inserting pipe, of which-whole part v,or special part is transparent, into the .rectum.and peeping .at the sexual organs and :the other internal organs through the Wall .-o'f the rectum.' And, this invention `comprises an apparatus embodying vthefsaid method. Y This inventionfmaybe -further understood-'from the following .description with .reference .to .the

examples shown in accompanying drawings, but

this .invention is not restricted within the flexamplesand-may be modified inany otherembodivments .asfar fas the main idea is not altered.

-On the waccompanying drawing, Fig. .1 .is a fundamental: and sectional view `of f an .apparatus material, :for example, glass orsynthetic .resin l and is 4provided with the .curved .parta .at its 4head end .and .with .thexing ,flange b -atits base pai-Lt, 2 .isafring .screwed to 1the main cylinder 3 and the pipe] is. supported with the .ring .2 .by means` of xing the flange 'b to .the .ring with any ad.

hesives. 5 is alight source cylinder which .isfso provided with a .light source 6.. condenser-lens 1. and aniris plate 8 inlitsinsideiso thataparallel light can be projected from the said light source into the main cylinder 3. -4 isaJ semi-transparen-tplate arranged slantwise so vit can .reflectkthe light coming through the iris plate 8 and can' projectv it vinto the inserting pipe I; 9 .is va hole for passing 'the light passed through the plated` towards' the outside 1of the cylinder 3 'injorder to Iprotect excess brightness in thecylinder 3;

vil) is a,magnifying-lens, and .I l is a peeping aper-f turejmade on the main cylinder 3.

'ln case rof discrimination of chicken sex 'with using the apparatus shown'in Fig. '1, at irstthe light source 6 is connected with an electric source and next the inserting pipe Il is so inserted into the .anus that the surface ofthe curved ,part a comes to the position of the'sexual organs. Then therectum wall touching.` .the .surface of the curvedpart a will be lighted bythe parallel light.

bundle projected through the condenser-lens 'I and the iris plate 8. At this time the rectum wall continued ,with the anus will be expanded somewhat, ,byinsertion of the pipe'jI and this wall comes to semi-transparent condition. So that, if any one peeps through the peeping aperture II, then it is possible to see clearly the `sexual organs through the lens I0, plate 4, wall v of the pipe I, and the rectum wall.

By such peeping, it is seen that testicles of the cock-chicken are two small balls having largeness of several centimeters and white yellowy color and the ovary of the hen-chicken is large, flat, and dark purplish. So that it is possible to discriminate the sex easily, immediately, and also without special expertness. At this time, if any properbluepurplish filter is arranged in the light source cylinder 5, then the white-yellowy color of the testicles will be more clearly seen.

According to the method and apparatus of this invention, it is easily possible to judge the-cor? pulence-order of the ovary at the same vtime with the discrimination of the chicken sex and to judge the superiority and inferiority of egg-laying ability.' And'furthermore it is possible to see not only the sexual organs, but also lungs, kidney, and the other internal organs and to judge easily the Vigor-order of living ability or existence or not of illness. Hithert'o, it has been perfectly impossible togain the effects of the said auxiliary judgements.` `At this fact, this invention is very excellent.v At the embodying the apparatus of Fig. 1', it is specially profitable that the diameter of the inserting pipe I is most large so far as the rectum w'all lis not damaged by expansion, because transparency of the rectum Wall increases and seeing becomes very clear. As a result of many experiments, if the external diameter `is 6 mm., then the rectum wall will be broken, but if it is min., then such damage would not occur and it is lvery effective. Of course, the inspection may be done somewhat effectively even when an inserting pipe of 4 mm. external diameter is used.

In case of utilization of 5 mm. inserting pipe, thenthe pain given to chicken by inserting the pipe into `anus is very little in comparison with the case utilizing the/well known method of anus discrimination. According to the well known method, if the turned j condition of the anus is continued for ten minutes, then the chicken will die. But according toy this invention, even when the inserted condition vof inserting pipe is Vcontinued for several hours, the chicken will easily recover normal living condition .after removal of the inserted pipe.`

1 The inserting pipe I is not restricted to the form having the curved part as is shown in Fig. l, but'any other pipe, for example, the pipe as is shown in Fig. Zmay be used. But according to such pipe as is, shown in Fig. 2, the brilliant light reflected from the curved end part c will be seen asa brilliant point at the peepingaperture and at thevother hand some excremental liquid remaining, in the` rectum (although such liquid is generally taken off) will accumulate on the front 'Y f the pipe, so that the peeping is somewhat ineffective. yAgainst such facts, if the pipe fas is shown in Fig. 1 is used, then the said reected light fromv the curved part a will'be projected towards the head end and will not project into eye; and also the excremental liquid will not accumulate as is described in the above part, so that thejobjects can be seen very clearly. In the Figs. 3,f 4.is .shown anv example of the apparatus of this'invention which is manufactured trially as an v actual apparatus for discrimination of chickens of hen and cock. 25 is a main cylinder screwed at its head end into the cy1inder34, I3 is a grasping cover cylinder xed to,the 'cylinder'. -I4 by any proper means, I 8 is an insulating cover block-- screwed in the opening mouth of the cylinder I4. 20 is a metallic socket supported in the cover 'block I8 and connected electrically with a screwpin I9'v as an electrode of the electric lamp. 2I is the another electric contact-piece and this piece is fixed'l on the block I8 together with the socket 20 through an insulating plate I1 by means of a screw-pin I9 and a nut 36. 23 is a feeding cord connected electrically to the screw-pin I9, I9' with nuts 36, 31 and thus to the contact piece ZI and the socket 20 respectively. I6 is a protecting cap', I5 is a ring tightening cap, I6, 24 are air holes made in the cylinder I4 and I3. 22 is a slot which is so made in the side wall of the socket 20 as to allow insertion of the lamp into itself when the lamp is inserted in the Socket 20. 21 is a peeping capr screwed adjustably on themain cylinder 25 and this cap` supports a cylinder 30 containing the magnifyinglens device 3| and a peeping glass 28. So that the cylinder 30 can be slid in the main cylinder 25 by adjusting the cap 21 with rotation. According to such construction, the peeping'condition can be so adjusted as to let it fit for every one. The peeping glass 28 may be colored properly and the peeping cap 21 may be so made that the position of it can be adjusted vby onlysliding along the cylinder 25 or by method of telescopic system. 34, 35 are glass cylinders having their ends cut along an inclined surface'and these cylinders are so arranged in the cylinder l25gthat their inclined surfaces face to each other vand a perfect cylinder can be formed. 4 is a semitransparent plate inserted between the inclined surfaces of both the cylinders 34, 35.j (1 e are light passing windows which are respectively made to each of the side-walls ofthe cylinders 34,` 35 and the surfaces of these cylinders are so treated that they arevery rough. 32 is a kring which is screwed in the inside of the cylinder25 and can fasten the cylinder 34, plate 4, and the cylinder 35 from above after insertion of these parts in order. 33 is an attaching member which can be screwed detachably on "the upper yend of the cylinder 25 and can support the inserting pipe I. The pipe I can be fixed at its base flange withA any proper adhesives. 29 is a shade protecting the window d and screwed to the main cylinder 25. 38 is a graduation showing the adjusted position of the cap 21.

The operation of the apparatus showed in Figs. 3, 4 is perfectly the same with that of the apparatus as is shown in Fig. l. Although in the apparatus of Figs. 3, 4 the iris plate isomitted,

of course a proper iris plate may be yarranged gans, but also for discriminationv of chicken sexv and vsex of any other birdsr such as'turk'ey and. also for judgment of fertilization result directly' after cross-breedingof any other animals such as horses, dogs, and cows or for inspection of the internal organs of such animals.

In the embodiment of this invention, there may be used anyv magnifying device which 'can magnify the images at the peeping aperture and can show clearly without peeping.

Describing this invention as above, I claim as follows:

1. Apparatus for determining the sex of chickens and other birds which comprises a main cylinder having a viewingaperture at one end, an elongated hollow pipe member closed at one end and mounted at its open end on the other end of said main cylinder for insertion into the rectum of a chicken and formed, at least in the v area thereof visible through said viewing aperture, of a transparent material, said area of the pipe member visible through the viewing aperture providing a face for contact with the rectum Wall and through which the sexual organs of the chicken may be viewed, a light source cylinder extending laterally from said main cylinder intermediate thev ends of the latter and opening into said main cylinder, means in said light source cylinder for projecting light laterally into said main cylinder, a semi-transparent reflecting l plate disposed diagonally in said main cylinder in the path of the projected light to reflect the light into said pipe member, and magnifying lens means in said main cylinder in front of said viewing aperture.

2. Apparatus according to claim l; wherein said -main cylinder has an aperture formed in the side thereof opposite said light cylinder to permit the light passing through said reflecting plate to escape from said main cylinder.

y 3. Apparatus according to claim l; wherein said pipe is formed with a radial flange at said open end thereof for mountingon said main cylinder.

4. Apparatus according to claim 1; wherein said viewing aperture is embodied in a member adjustable longitudinally relative to said main cylinder.

TAKEO KIZAWA.

REFERENCES CITED The following references are of record in' the file of this patent:

` UNITED STATES PATENTS Number 

